CMMVC8654E The storage pool specified is not valid. The volume is a participant in an active-active relationship, and the storage pool for the new copy is in a different site to the volume's current site.
Explanation
Participants in an active-active relationship must be located in the same site.
User response
Move the volume to a storage pool in the same site, or move the other copy in the active-active relationship to the target storage pool.